OpenTechnical

OT-2026-000078147

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000078147) never changes.

Identity and time

Publication numberOT-2026-000078147 · never reused
Internal UUID01a0ae95-6e8c-7a7b-a0be-c1712b7403e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078147
StatusPUBLIC

Content hashes

Canonical text40bfb65311a17ceb4480726c722d327ec038244f7bd75d77eb10a600c2416b59
Markdown27e4f7a203f6789e8f9a895e57192235cc3155d2b780e97d50f084e7c8e39a39
PDF
Publication pagef6b74359fabfe03fad96a859e3882e84582dae1eb3d420f4c9b171af8995b91c
Manifest149ff202804fa564c61b545943c5f836e4c184df45c9a41b7794c3399e8dd096

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureHEYy3aExuvIMIkHjLrLgb0qKRokUQq9O3IVAWFB1hvPcrK8fag1q8tZWb9HEOpUheZcwxfhhXAi2WK+g4JZkAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:51.632775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078147
observed f6b74359fabfe03fad96a859e3882e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.614600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078147/manifest.json
observed 149ff202804fa564c61b545943c5f836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.594355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078147/publication.md
observed 27e4f7a203f6789e8f9a895e57192235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:51.573339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078147/publication.txt
observed 40bfb65311a17ceb4480726c722d327e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.